Brush holder



FIG. 1 is a perspective view of a brush holder showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view, the left side being a mirror image thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan thereof. 

The ornamental design for a brush holder, as shown and described. 